Fatal error: Uncaught exception 'ErrorException' with message 'Error: Expression #2 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'bajajpri_pack.ps.date_start' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by<br />Error No: 1055<br />SELECT DISTINCT ps.product_id,ps.date_start,ps.date_end,ps.price AS special, (SELECT AVG(rating) FROM oc_review r1 WHERE r1.product_id = ps.product_id AND r1.status = '1' GROUP BY r1.product_id) AS rating FROM oc_product_special ps LEFT JOIN oc_product p ON (ps.product_id = p.product_id) LEFT JOIN oc_product_to_category p2c ON (ps.product_id = p2c.product_id) LEFT JOIN oc_product_description pd ON (p.product_id = pd.product_id) LEFT JOIN oc_product_to_store p2s ON (p.product_id = p2s.product_id) WHERE p.status = '1' AND p.date_available <= NOW() AND p2s.store_id = '0' AND ps.customer_group_id = '1' AND ((ps.date_start = '0000-00-00' OR ps.date_start < NOW()) AND (ps.date_end = '0000-00-00' in /home/bajajprintpack/public_html/system/database/mysqli.php on line 40